New without a class
-----
<?php
new;
-----
!!php5
Syntax error, unexpected ';' from 2:4 to 2:4
array(
)
-----
<?php
new;
-----
!!php7
Syntax error, unexpected ';' from 2:4 to 2:4
array(
    0: Stmt_Expression(
        expr: Expr_New(
            class: Expr_Error(
            )
            args: array(
            )
        )
    )
)